Shah Rukh Khan as Major Ram Prasad Sharma

Sushmita Sen as Miss Chandni

Suniel Shetty as Raghavan / Major Raghav Dutta

Zayed Khan as Lakshman Prasad Sharma a.k.a Lucky

Amrita Rao as Sanjana Bakshi a.k.a Sanju

Boman Irani as The Principal

Satish Shah as Professor Rasai

Kirron Kher as Mrs. Sharma

Bindu Desai as Mrs. Kakkad

Rakhi Sawant as Mini

Praveen Sirohi as Vivek

Murali Sharma as Khan

Naseeruddin Shah as Brigadier Shekhar Sharma

Kabir Bedi as General Amarjeeth Bakshi

Kunal Kumar as Baman

Tabu as Special Appearance

Uday Chopra as Special Appearance

Rajeev Punjabi as Percy

Geeta Kapur as Dancer (cameo appearance)

Sajid Khan as Prom night band (cameo appearance)

Shaji Choudhary as Johan

Nassar Abdulla as Rajat Saxena, Project Milaap's TV host